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The initial information about the upcoming server was disclosed earlier this year, and Microsoft has now officially launched it: Windows Server 2025 has arrived.
(Source: Created with AI in Bing Designer by heise online / dmk)
At the start of this year, early reports regarding pre-release versions of Windows Server 2025 surfaced. This has now culminated in an official announcement: On November 1st of this year, Microsoft confirmed its general availability.
The prior announcement was shared in the Windows Release Health Center, and it’s expected that Microsoft will also promote the new server through various other platforms shortly. In their communication, developers stated: “Windows Server 2025 is now generally available.” As an LTSC version, it indicates that Microsoft intends to offer long-term support for Server 2025, with mainstream support concluding in October 2029 and extended support lasting until October 2034, as detailed by the company based in Redmond.
Windows Server 2025 introduces several noteworthy features that were previously unavailable on-premise. One such innovation is the ability for hot patching: updates can be applied while the system is operational, eliminating the need for restarts. Users have been able to test this functionality in the preview version of Server 2025 since late September. Microsoft promoted this feature as a means for administrators to enjoy more weekends with their families. However, it’s important to note that this is not a complete solution. Instead of the standard twelve annual restarts on patch days, the use of hot patching allows for a respite period of three months. Still, a system reboot will be required at least once every quarter.
A one-click activation of an OpenSSH server is also included. File sharing through SMB is said to be more secure and reliable. Additionally, improvements have been made to Hyper-V, and new security features are designed to enhance the protection of Active Directory.
At the launch event, the developers highlighted several known issues with Windows Server 2025 in the Windows Release Health Notes. During installation, some text may appear in English instead of the expected language. On systems equipped with numerous CPU cores—specifically, up to 256 logical cores—the system might exhibit erratic behavior. This may include abrupt installation failures, unresponsiveness during upgrades, blue screens during boot or restart, or an unusually prolonged startup time, potentially taking three hours or more. In environments using iSCSI, the system may face accessibility issues with the boot device, hindering the ability to boot properly.
IT administrators can obtain Windows Server 2025 through the standard distribution channels. Although the German website still mentions the preview version, the ISO images and VHD files are accessible on the evaluation page for Windows Server 2025.
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This article was originally published in
It was translated with technical assistance and editorially reviewed before publication.
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